Henry de Lacy cofirmed this charter in 1278 and in 1484 Richard III.
He again appeared in arms on hearing that Hugh de Lacy had obtained a grant of Ulster with the title of earl; and in alliance with the king of Man he ravaged the territory of Down; but was completely routed by Walter de Lacy, and disappeared from the scene till 1207, when he obtained permission to return to England.
The castle came in the 13th century into possession of the De Lacy family, who, being ejected, invited Edward Bruce to besiege it (1315).
After the accession of Richard I., de Courci in conjunction with William de Lacy appears in some way to have offended the king by his proceedings in Ireland.
In 1207 Maurice Paganel constituted the inhabitants of Leeds free burgesses, granting them the same liberties as Robert de Lacy had granted to Pontefract, including the right of selling burgher land to whom they pleased except to religious houses, and freedom from toll.
De Lacy quickly made his peace with Richard, while de Courci defied him; and the subsequent history of the latter consisted mainly in the vicissitudes of a lasting feud with the de Lacys.
In 1204 Hugh de Lacy utterly defeated de Courci in battle, and took him prisoner.
De Lacy sublet the land among kinsmen and retainers, and to his grants the families of Nugent, Tyrell, Nangle, Tuyt, Fleming and others owe their importance in Irish history.
They're doctors, Lacy said, looking up from the memo in her hands.
To Edward de Lacy in 1251 and confirmed in 1294 to Henry de Lacy, earl of Lincoln, with the additional grant of a fair on the eve: and day of St Peter ad Vincula and three days following.